20178013329

素因数分解:

$3^3\times {\mathrm{547}}^1\times {\mathrm{1366241}}^1$

素因数の和:1366797

約数の個数: 16

約数和(自身を含む): 29948024640

約数和(自身を除く): 9770011311

約数列:

[1, 3, 9, 27, 547, 1641, 4923, 14769, 1366241, 4098723, 12296169, 36888507, 747333827, 2242001481, 6726004443, 20178013329]

約数ペア:

[(1, 20178013329), (3, 6726004443), (9, 2242001481), (27, 747333827), (547, 36888507), (1641, 12296169), (4923, 4098723), (14769, 1366241)]